Got a shiny new set of wheels for the 407 (19" BBS CK007) and also did a suspension overhaul to go along with the new wheels (Bilstein B4 and H&R springs) :
ORIGINAL PEUGEOT 407 CC SW alloy rim 7x17 5CH48 ET48 Cosmos rim BBS 5402J4 £119.81 - PicClick UK
How to Remove the Wheel Rim on an Peugeot 407 - DailyDriven
Rim peugeot 407 2.0 16v hdi fap 7jx17ch5-48 1366724